
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
  color: #000;
  margin: 0px 3px;
}
.search-login {
  position: fixed;
}
.course {
  width: 1200px;
  margin: 0 auto;
  margin-top: 60px;
  padding: 0;
}
.page-content-right {
  float: right;
  width: 375px;
  height: auto;
  margin: 0px 5px 60px 10px;
  background-color: #fff;
  border-radius: 5px;
}
.page-content-right .right-content {
  height: auto;
}
.page-content-right .right-content .outborder {
  height: auto;
  width: 345px;
  float: right;
  margin: 0 15px 20px 15px;
  border-radius: 10px;
}
.right-title {
  margin: 15px 15px 15px 20px;
  font-size: 20px;
}
.right-main-help {
  width: 100%;
  padding: 20px 15px 30px 15px;
}
.right-main-txt-help {
  list-style: none;
  padding: 0px 0px 10px 0px;
  height: 130px;
  border: none;
}
.right-main-txt-help li a {
  float: left;
  color: #585858;
  margin: 0 10px 10px 0;
  padding: 5px 10px;
  text-decoration: none;
  border-radius: 3px;
}
.right-main-txt-help li a:hover {
  color: #fff;
  background-color: #039ffc;
}
.right-main {
  width: 100%;
  padding: 10px 20px;
}
.right-main-content {
  margin: 0px;
  padding: 0px;
}
.right-main-content .right-main-txt {
  list-style: none;
  padding-left: 0px;
  margin: 0px;
  border: 0px;
}
.right-main-content .right-main-txt li {
  position: relative;
  margin: 0px;
  width: 100%;
  height: auto;
}
.right-main-content .right-main-txt li a {
  font-size: 14px;
  width: 100%;
  height: 26px;
  color: #309ffc;
  line-height: 26px;
  text-decoration: none;
}
.right-main-content .right-main-txt li a:hover {
  color: #59b2fd;
}
.page-content-left {
  float: left;
  width: 790px;
  background-color: #fff;
  border-radius: 5px;
  height: auto;
  margin-bottom: 60px;
}
.page-content-left .left-content {
  height: auto;
  margin: 20px 50px 20px 30px;
  border-radius: 10px;
}
.daodu {
  padding-left: 30px;
}
.daodu h3 {
  font-size: 26px;
  color: #000;
  margin: 15px 0px 5px 10px;
}
.left-content-main {
  width: 100%;
  height: auto;
  padding: 10px 10px 10px 10px;
  margin: 10px 0 25px 0;
}
.left-content-main h2 {
  height: 34px;
  border-left: solid 5px #309ffc;
  padding-left: 15px;
  margin: 15px 0;
}
.left-content-main h2 a {
  text-decoration: none;
  color: #309ffc;
}
.left-content-main h2 a:hover {
  color: #59b2fd;
}
.main-note {
  width: 100%;
  height: 25px;
  padding-bottom: 1px;
  border-bottom: 1px dotted #d3d3d3;
  margin-bottom: 10px;
}
.main-note .main-note-left {
  width: 35%;
  height: 17px;
  font-size: 12px;
  color: #808080;
  float: left;
  text-align: left;
}
.main-note .main-note-right {
  width: 65%;
  height: 18px;
  font-size: 12px;
  color: #808080;
  float: right;
  text-align: right;
}
.main-note .main-note-right a {
  padding: 0 15px;
  text-decoration: none;
  color: #808080;
}
.main-note .main-note-right a:hover {
  color: #59b2fd;
}
.main-content {
  width: 100%;
  height: auto;
  font-size: 18px;
  line-height: 30px;
  overflow: hidden;
}
.main-content .img {
  padding: 20px 0px 0;
  width: 200px;
  float: left;
}
.main-content .img img {
  width: 200px;
  height: 140px;
}
.main-content .a {
  padding: 20px 5px 0;
  width: 480px;
  height: 200px;
  float: right;
  text-overflow: ellipsis;
}
.main-content .a a {
  color: #1a1a1a;
  text-decoration: none;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.instruction {
  width: 150px;
  margin: 20px 0px 0px 0px;
}
.instruction i {
  color: #666;
  font-size: 12px;
}
.main-btn {
  position: relative;
  top: -30px;
  right: 0px;
  float: right;
}
.main-btn button {
  padding: 0px 10px;
  font-size: 18px;
  background-color: #3aa4fc;
  border-radius: 5px;
  border: 0px;
}
.main-btn button:hover {
  background-color: #59b2fd;
}
.main-btn button:hover a {
  color: #fff;
  text-decoration: none;
}
.left-xiangqing {
  float: left;
  width: 790px;
  background-color: #fff;
  border-radius: 5px;
  height: auto;
}
.left-main {
  margin: 20px 50px 20px 30px;
  border-radius: 10px;
  height: auto;
}
.left-main-title {
  margin: 20px 20px;
  padding: 0px 20px 40px;
  border-bottom: 2px dotted #999;
}
.left-main-title h2 {
  margin: 30px 0px;
  font-size: 28px;
}
.left-main-title li {
  list-style: none;
  float: left;
  margin: 0px 10px;
}
.left-main-title li span:hover {
  color: #ff8080;
  cursor: default;
}
.left-main-title .left-fx {
  float: right;
}
.left-main-title .left-fx span {
  position: relative;
  top: -6px;
  left: 0px;
  font-size: 14px;
  margin: 0px 5px 10px 0px;
  padding-bottom: 5px;
}
.icon-fenxiang {
  width: 2em;
  height: 2em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
  opacity: 0.5;
  cursor: pointer;
  margin: 0px 5px;
}
.icon-fenxiang:hover {
  opacity: 0.9;
}
.left-main-article {
  font-size: 14px;
  padding: 15px 20px;
}
.left-main-article img {
  max-width: 500px;
  max-height: 500px;
}
.left-main-change {
  float: left;
  width: 100%;
  padding: 30px 20px;
}
.left-main-change a {
  text-decoration: none;
  color: #309ffc;
}
.left-main-change a:hover {
  color: #59b2fd;
}
.left-main-bottom {
  padding-bottom: 40px;
  text-align: center;
}
.left-main-bottom span {
  padding: 10px 40px;
  text-align: center;
  border-radius: 5px;
  color: #999;
  border: 1px solid #d2d2d2;
  cursor: pointer;
}
.left-main-bottom span:hover {
  background-color: #4ab7ed;
  color: #fff;
}
.left-main-bottom span:hover .icon-dianzan {
  font-style: normal;
  color: #fff;
}
.icon-dianzan {
  width: 1.5em;
  height: 1.5em;
  font-size: 12px;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
  color: #808080;
  cursor: pointer;
}
